michelle obama tweeted out today, a new term, a new official portrait. here she was, when it was all brand new, the president's first term. now, four years later, first lady in charge. >>> and, take that, nobel prize. they've got some competition today from very rich 21st century backers. internet titans, who have established the breakthrough prize in life sciences. it was the brain child of mark zuckerberg of facebook and sergey brin of google. $3 million, that's how big the new award will be for each of 11 scientists who got their awards today, who, quote, think big and take risks. and that's more money than the nobel. >>> and coming up next here, our 6'4" correspondent takes on a kid less than half his age and two feet shorter and learns what a child prodigy can do. but when i started losing energy and became moody... that's when i had an honest conversation with my doctor. we discussed all the symptoms... then he gave me some blood tests. showed it was low t. that's it. it was a number -- not just me. [ male announcer ] today, men with low t have and